WAUPACA COUNTY - Multiple drug-related arrests have been made in Waupaca County in connection to an investigation that began in October of 2017.

A total of 12 people involved in the drug ring were arrested, each one on a number of different charges. Of those arrested in the case, 10 are from Waupaca, one is from Weyauwega and one is from Clintonville, according to a statement from the Waupaca County Sheriff's Office.

The suspects arrested range from 19 to 50 years old, the sheriff's office said.

Drug investigators from Waupaca County said the investigation involved the distribution of heroin, methamphetamine and other controlled substances.

As a result of the investigation, deputies initiated controlled drug purchases, where they bought heroin, methamphetamine and other controlled substances from multiple suspects, according to the statement

The sheriff’s office was assisted by the Waupaca Police Department, and members of the Central Wisconsin Drug Task Force and Wisconsin State Patrol. The investigation is on-going and more arrests are expected, the sheriff's office said.